Nicholson, R. (1989). School management: The role of the secondary headteacher. Kogan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNicholson, Richard. School Management: The Role of the Secondary Headteacher. London: Kogan, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNicholson, Richard. School Management: The Role of the Secondary Headteacher. Kogan, 1989.
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